Antifreeze Refractometer Displaying in Fahrenheit for Checking Freezing Point of Automobile Antifreeze Systems and Battery Fluid Condition_ Battery Acid Glycol Coolant Antifreeze Tester

Details: This refractometer is a portable, precision optical instrument used for measuring the freezing point of either Propylene or ethylene glycol based antifreeze systems. It can also be used for checking the strength of electrolyte solution batteries. It features high-quality optics with ultra smooth focusing. It is a convenient tool to check your automotive coolant and protect your car engine. General technical parameters: reference temperature 68 degree F ATC - automatic temperature compensation focus possibility length ~ 160 mm quality technical design Content and equipment: a firm plastic case a refractometer a cleaning cloth 3 suction tube a screw driver an operating instructions Note: 1.Accurate measurement based on good calibration, please calibrate the refractometer before your first use. 2.Please keep the refractometer dry and clean, which can make the instrument accurate and durable. Warranty: Full 12 Month Replacement Warranty & Any Questions Will be Answered within 24 Hours.